Overview
This Grade 8 carbon steel hex nut is engineered for high-strength, reliable fastening in demanding industrial and construction environments. Manufactured to exacting Grade 8 specifications, it delivers superior tensile strength and consistent performance for critical assemblies, machinery maintenance, and structural applications. The black oxide finish provides a durable layer of protection against corrosion, extending the component's service life.
Key Features
Manufactured from high-grade carbon steel for exceptional strength and durability Meets stringent Grade 8 mechanical property specifications for reliable performance Black oxide finish offers improved corrosion resistance and a clean, professional appearance Precision-formed 1/4"-20 thread ensures a secure, vibration-resistant fit with standard bolts Width across flats of 0.394 inches allows for easy installation and removal with common wrenches Consistent quality and dimensions for efficient, trouble-free assembly operations
Specifications
Thread Size: 1/4"-20 System of Measurement: Inch (UNC)
Material
Carbon Steel Material Grade/Class: Grade 8 Finish: Black Oxide Width Across Flats: 0.394 inches Package Quantity: 10,000 units
Applications
General heavy-duty manufacturing and assembly Machinery, equipment, and structural framework construction Automotive and transportation industry repairs and builds Infrastructure projects requiring high-strength bolted connections Maintenance, repair, and operations (MRO) inventories for industrial facilities








